Dicrotophos

Synonyms

Bidrin®, Carbicron®, 2-Dimethyl cis-2-dimethylcarbamoyl-1-methylvinylphosphate; [NIOSH]

Category

Organophosphate Insecticides

Description

Yellow-brown liquid with a mild, ester odor. [insecticide]; [NIOSH]

Sources/Uses

Used to control insects on coffee, cotton, rice, pecans, soybeans, and other crops; also used to kill ticks and lice on cattle and the beetles that spreads Dutch elm disease; [EXTOXNET]

Comments

It is classified as moderately toxic and may be used only by certified applicators. [EXTOXNET] “The average of two baseline respective cholinesterase activity determinations three days apart, with no exposures to enzyme inhibiting pesticides for at least 30 days, is recommended for each worker prior to exposure to cholinesterase inhibitors because of large inter-individual differences in published baseline values. To be established at least once a year. Removal from workplace exposures is recommended until the cholinesterase activity returns to within 20% of baseline.” [TLVs and BEIs]

Reference Link #1

Biomedical References

Acetylcholinesterase activity in red blood cells = 70% of individual's baseline; Butylcholinesterase activity in serum or plasma = 60% of individual's baseline; Sample at end of shift; [TLVs and BEIs]

Yes

0.05 mg/m3, inhalable fraction and vapor

0.0001 mm Hg

Reference Link #2

Not Classifiable

Other Poison

Organophosphate

Diseases

Occupational diseases associated with exposure to this agent:

• Organophosphates & carbamates, acute poisoning

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)